WO2020228445A1 - 一种榨汁机 - Google Patents

一种榨汁机 Download PDF

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Publication number
WO2020228445A1
WO2020228445A1 PCT/CN2020/083498 CN2020083498W WO2020228445A1 WO 2020228445 A1 WO2020228445 A1 WO 2020228445A1 CN 2020083498 W CN2020083498 W CN 2020083498W WO 2020228445 A1 WO2020228445 A1 WO 2020228445A1
Authority
WO
WIPO (PCT)
Prior art keywords
assembly
filter
juice extractor
juice
sealing
Prior art date
Application number
PCT/CN2020/083498
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
吴震宇
Original Assignee
乾延智能科技(宁波)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201910407676.5A external-priority patent/CN110150948B/zh
Priority claimed from CN201910407677.XA external-priority patent/CN110141102A/zh
Application filed by 乾延智能科技(宁波)有限公司 filed Critical 乾延智能科技(宁波)有限公司
Priority to EP20805601.0A priority Critical patent/EP3932265A4/de
Priority to US15/733,651 priority patent/US20210353089A1/en
Publication of WO2020228445A1 publication Critical patent/WO2020228445A1/zh

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J19/00—Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
    • A47J19/02—Citrus fruit squeezers; Other fruit juice extracting devices
    • A47J19/025—Citrus fruit squeezers; Other fruit juice extracting devices including a pressing screw
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J19/00—Household machines for straining foodstuffs; Household implements for mashing or straining foodstuffs
    • A47J19/06—Juice presses for vegetables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
    • B30B9/16—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with two or more screws or worms
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears

Definitions

  • the invention relates to the field of juice extractors, in particular to a horizontal twin-screw juice extractor.
  • the existing screw juicer is generally a single-screw juicer, but the single-screw juicer has low juice extraction efficiency and slow speed, which is difficult to meet the needs of users in a fast-paced life.
  • the present invention provides a new type of juice extractor, thereby improving the sealing performance of the juice extractor and reducing the manufacturing cost of the juice extractor , which facilitates the operation and maintenance of the juicer.
  • the invention provides a juice extractor including a power assembly, a housing assembly, a clamping assembly and a screw assembly;
  • the power assembly includes a motor, a motor housing and a rotating shaft, and the motor drives the rotating shaft to rotate;
  • the screw assembly is connected to the rotating shaft and is arranged in the housing assembly;
  • the snap assembly connects the housing assembly to the power assembly
  • the housing assembly includes a filter screen assembly and a filter cover assembly, the filter screen assembly is integrally formed by welding, the filter cover assembly is detachably fixed and supported on the filter screen assembly, and the filter cover assembly is provided with a filter
  • the juice separation tank can realize the secondary filtration of the juice.
  • the juice extractor includes a body base, and the body base includes two front feet protruding forward.
  • the screw assembly is a twin-screw assembly, in which two screws are respectively rotatably connected to the rotating shaft that passes through the sealed connector provided on the motor housing and the one provided on the sealed connector On the transmission shaft, the twin screw assembly is arranged in the filter screen assembly.
  • the twin-screw assembly includes a crushing part and an extruding part, the crushing part is formed by the engagement of threaded teeth on the outer circumference of the screw, the extruding part is arranged at the front end of the crushing part, and the extruding part
  • the diameter of the crushing portion is significantly smaller than the diameter of the crushing portion, and a step is formed at the connection of the crushing portion and the pressing portion;
  • the pressing portion is composed of a first threaded portion and a second threaded portion, and the second threaded portion is provided At the front end of the first threaded portion, and the number of threads of the second threaded portion is greater than that of the first threaded portion.
  • the inclination angle of the threaded cutter is 11-13 degrees; the first threaded part is formed by two threads, and the second threaded part is formed by four threads.
  • the filter screen assembly includes a crushing shell accommodating the crushing part of the twin-screw assembly, an extrusion shell accommodating the twin-screw extrusion part, and a bell mouth; and the crushing shell and the extrusion shell are both provided with multiple One filter screen or only one or several extrusion shell notches are provided in the lower part of the extrusion shell.
  • the filter screen assembly is formed by welding two filter screen cylinders, the side walls of the two filter screen cylinders intersect and communicate with each other, a screw is arranged inside the filter screen cylinder, and the The diameter is slightly larger than that of the screw, and there is a certain gap between the filter cylinder and the screw.
  • a light-touch safety switch is provided on the sealed connector, a connecting part connected with the sealed connector is provided at the rear end of the filter assembly, and a silicone gasket is provided in the connector.
  • a protrusion capable of touching the light touch safety switch is provided on the sealing gasket.
  • the filter cover assembly is sleeved on the filter screen assembly, and the filter cover assembly includes a filter cartridge and a filter residue separation plate, and the bottom middle part of the filter cartridge is provided with the filter juice separation groove, and the filter residue The separating plate is fixed at the front end of the filter cartridge.
  • the juice extractor further includes a sealed connector, which is detachably connected to the motor housing, and the sealed connector is of a solid structure and extends forward in the axial direction of the motor housing, A rotating shaft hole and a sealing device are arranged on the sealing connecting piece.
  • the sealed connecting piece is an aluminum die-casting piece, and further includes a disc connected to the motor housing, and a cylinder provided at the front end of the disc.
  • the sealing device includes a silicone sealing ring, the silicone sealing ring has a long cylindrical shape, and at least two sealing rings are arranged inside.
  • the sealed connecting piece is an aluminum die-casting piece, and further includes a disc connected to the motor housing, and a cylinder arranged at the front end of the disc, and the front end of the cylinder is provided with a protrusion, the The protruding part is a horizontal "8" shape where two arcs intersect.
  • One side of the arc is provided with a transmission shaft in the central part of the drive shaft hole, and the other side of the arc is provided with a rotation shaft through the central part of the shaft. .
  • the juice extractor further includes a juice extraction mechanism
  • the juice extraction mechanism is a twin-screw assembly
  • a transmission shaft is further provided on the sealed connection
  • two screws are respectively provided on the rotation shaft and the On the transmission shaft, and between the transmission shaft and the sealed connection piece is a detachable connection.
  • a light-touch safety switch is further provided at the end of the sealing connector, a connecting part is provided at the rear end of the filter assembly, and the silicone sealing gasket in the connecting part is provided with a light-touch safety switch.
  • the bump of the switch is further provided at the end of the sealing connector, a connecting part is provided at the rear end of the filter assembly, and the silicone sealing gasket in the connecting part is provided with a light-touch safety switch.
  • an anti-vibration device is further provided between the juicer body base and the sealed connection member, and the anti-vibration device includes a fixed anti-vibration member connected to the sealed connection member and a connection member installed on the body base;
  • the fixed anti-vibration member is in an inverted U shape, the two legs of the inverted U shape are arranged obliquely, the connecting member is an inverted U-shaped with legs, the upper part of the connecting member is adapted to the fixed anti-vibration member, and the body base Extend forward to the front of the sealed connector.
  • the engaging component includes a sealing element, a first engaging element, a second engaging element, a spring, a connecting element, and a control element, and one end of the first engaging element and the second engaging element are hinged to
  • the control member is hinged to the other end of the second engaging member; one end of the connecting member is hinged to the other end of the first engaging member, so The other end of the connecting piece is hinged to the middle part of the control piece, and the spring is arranged in the spring receiving part.
  • the sealing element is detachably fixedly connected to the front end of the sealing connection element.
  • the filter screen assembly includes a bell mouth part, a crushing shell, an extruded shell, and an anti-drop part.
  • the bell mouth part is arranged at the rear end of the upper part of the crushing shell, and the extruded shell is connected to the front end of the crushing shell.
  • the anti-drop part is connected to the front end of the extruded shell, and the connection structure between the bell mouth part, the crushing shell, the extruded shell and the anti-drop part is a welding structure.
  • the front end of the filter screen assembly further includes an anti-drop part
  • the front end of the twin screw assembly includes an optical shaft
  • the anti-drop part accommodates and supports the optical shaft
  • the adopted sealing connector changes the commonly used welding structure and adopts a detachable structure, which is convenient for users to disassemble and maintain, and provides more space for improving the sealing of the motor housing.
  • the adopted clamping assembly facilitates the disassembly of the housing assembly and facilitates operations such as cleaning of the housing assembly.
  • the clamping assembly itself is convenient to use, saving time and effort.
  • the adopted twin-screw assembly improves the efficiency of crushing fruits and vegetables by adding a crushing part, and squeezes the juice more fully, and the setting of the second thread part strengthens the extrusion, making the forward extrusion and advancement more smooth and natural , It further improves the efficiency of squeezing juice, extracts fruit and vegetable juice to the maximum amount, and facilitates the separation of filter residue.
  • the filter cover assembly is adopted, in which the filter residue separation plate is beneficial to guide the separation and discharge of the filter residue, and the filter juice separation tank realizes the secondary filtration of the filter juice and facilitates the concentrated flow of the filter juice.
  • Figure 1 is a perspective view of a horizontal twin-screw juicer in an embodiment of the present invention
  • Figure 2 is an exploded view of the horizontal twin-screw juicer in an embodiment of the present invention
  • Figure 3 is a perspective view of a power assembly in an embodiment of the present invention.
  • Figure 4 is an exploded view of a power assembly in an embodiment of the present invention.
  • Figure 5 is a perspective view of a snap-fit assembly in an embodiment of the present invention.
  • Figure 6 is an exploded view of the snap assembly in an embodiment of the present invention.
  • Figure 7A is a perspective view of a filter assembly in an embodiment of the present invention.
  • Figure 7B is a perspective view of another implementation of the filter assembly in an embodiment of the present invention.
  • Figure 8 is an exploded view of the filter assembly in an embodiment of the present invention
  • Figure 9 is a perspective view of a twin screw assembly in an embodiment of the present invention.
  • Fig. 10 is a perspective view of the juice extractor in use in an embodiment of the present invention.
  • 200 filter assembly 210 bell mouth, 220 crushed shell, 221 crushed shell filter, 230 squeeze shell, 231 squeeze shell filter, 232 squeeze shell gap, 240 anti-drop part, 241 receiving part, 250 connecting part , 260 silicone gasket, 270 fixing parts, 280 support parts, 290 installation parts;
  • 300 clamping components 310 sealing parts, 311 spring receiving parts, 312 protection parts, 313 screws, 320 springs, 330 first clamping parts, 340 second clamping parts, 350 connecting parts, 360 control parts;
  • a juice extractor includes a power assembly 100, a housing assembly, a clamping assembly 300, and a twin screw assembly 400.
  • the power assembly includes a motor, a motor housing 110, a sealed connector 120, a light touch safety switch 170, and a rotating
  • the shaft 130 and the transmission shaft 140, the sealed connection 120 and the motor housing 110 are detachably connected, the motor drives the rotating shaft 130 to rotate, the light touch safety switch 170, the transmission shaft 140 and the rotation shaft 130 are arranged on the sealed connection 120.
  • the housing assembly includes a filter screen assembly 200 and a filter cover assembly 500.
  • the filter screen assembly includes a bell mouth portion 210 arranged vertically, and the filter cover assembly 500 is sleeved on the filter screen assembly.
  • the clamping assembly 300 clamps and connects the housing assembly to the sealing connector 120.
  • the twin screw assembly 400 is connected to the transmission shaft 140 and the rotating shaft 130 and is built in the filter assembly 200, wherein the twin screw assembly includes a crushing part 410 and an extrusion part 420.
  • the rotating shaft 130 is a driving shaft
  • the transmission shaft 140 may be a driving shaft, a fixed shaft or a driven shaft.
  • the material of the filter mesh assembly 200, the twin screw assembly 400 and the filter cover assembly 500 can be stainless steel used in the food industry, such as food grade 304 or 316 stainless steel, which has good corrosion resistance.
  • the left direction in FIG. 2 is referred to as the rear and the rear side, and the right extending direction is referred to as the front and the front end.
  • the power assembly 100 includes: a motor housing 110, the motor is arranged in the motor housing, the front end of the motor housing 110 is provided with a specially designed and manufactured sealed connector 120, the sealed connector 120 includes a disc 121 and a front end of the disc
  • the cylindrical body 122, the disc and the cylindrical body are all solid structures, the disc 121 is detachably connected to the front end of the motor housing by screws, and the front end of the cylinder 122 is provided with a rotating shaft hole, a transmission shaft hole,
  • the light touch safety switch hole and the screw hole are respectively provided with a rotating shaft, a transmission shaft, a light touch safety switch and a screw.
  • the rotating shaft hole is a through hole, the motor can drive the rotating shaft to rotate, and the transmission shaft is a replaceable shaft, which is convenient for replacement after being corroded.
  • the sealing connecting piece 120 is an aluminum die-casting piece, which is convenient to manufacture and low in cost, and can be used without further processing, ensuring the manufacturing specifications of the juicer.
  • the detachable connection of the aluminum die casting facilitates user disassembly and maintenance, provides more space for improving the sealing of the motor housing, and the aluminum has high hardness and low weight, which improves the overall strength.
  • the overall stainless steel structure is added Aluminum die casting is another important contribution point of the present invention.
  • the present invention is provided with sealing rings at the rotation shaft hole, the transmission shaft hole and the screw hole respectively.
  • the material of the sealing ring is silica gel, and the silica gel sealing rings 150 and 160 are cylindrical.
  • the silicone sealing ring is provided with multiple sealing rings in the axial direction. The silicone sealing ring has strong corrosion resistance, good flexibility and high hardness. Through multiple sealing, even if the external sealing ring is damaged, it can effectively prevent the juice from penetrating into the motor Inside the shell, its use time is increased and maintenance costs are reduced.
  • sealing rings there are at least two sealing rings in the silicone sealing ring, preferably six sealing rings.
  • the above-mentioned silicone sealing ring with six sealing rings is arranged in the rotating shaft hole of the sealing connector, which not only plays a sealing role to prevent juice from entering the motor housing, but also supports the rotating shaft.
  • the front end of the cylinder of the sealing connector 120 is provided with a protrusion.
  • the protrusion is in the shape of a horizontal "8" where two arcs intersect.
  • the center of the arc on one side protrudes to form a transmission shaft 140, and
  • the center part of the arc on the other side penetrates and protrudes with a rotating shaft 130.
  • the transmission shaft and the sealing connecting piece are preferably detachably connected, which facilitates the replacement of the corroded transmission shaft.
  • the body base of the present invention includes two front legs 111 protruding forward, which effectively prevents vibration and displacement of the juicer.
  • the present invention further provides an anti-vibration device between the sealed connector 120 and the base of the juicer body, and the purpose of vibration reduction is achieved by connecting the sealed connector with the body base.
  • the anti-vibration device specifically includes: a fixed anti-vibration member 180 arranged at the lower end of the sealing connecting member.
  • the fixed anti-vibration member 180 is generally in the shape of an inverted U.
  • the two U-shaped legs are arranged obliquely.
  • the base of the machine body is provided with a connecting piece 190 that is adapted to connect with the fixed shock-proof piece.
  • the connecting piece includes a connecting part connected with the fixed shock-proof piece.
  • the upper part of the connecting part Compatible with the U-shaped fixed shock-proof member, the lower part of the connecting member 190 is two feet fixedly connected to the base of the juicer body, and the connecting part is an inverted U-shaped with feet to realize the fixing
  • the anti-vibration piece 180 is adapted.
  • the above-mentioned sealing connection member 120, the fixed anti-vibration member 180, and the connection member 190 may adopt detachable bolts, screws, etc., or other forms such as riveting or welding.
  • the body base of the juice extractor extends forward to the front of the sealing connector, and the shockproof device is entirely hidden inside the body base shell.
  • the snap assembly 300 is used to connect the filter assembly 200 to the sealed connector 120 of the power assembly 100, and the snap assembly 300 includes:
  • the sealing member 310 is fixedly connected to the front cylinder of the sealing connector 120.
  • One end of the first engaging member 330 is hinged to the spring receiving portion 311 on the side of the sealing member 310 by a screw 313;
  • the second engaging member 340 has the same end It is hinged on the spring accommodating portion 311 by screws, the first engaging member and the second engaging member are both arc-shaped;
  • the control member 360 is hinged to the other end of the second engaging member 340; connected
  • One end of the member 350 is hinged to the other end of the first engaging member 330, and the other end is hinged to the middle part of the control member 360.
  • the position of the first engaging member 330 and the second engaging member 340 can surround the sealing member 310 from above and below, and the spring can make the first engaging member and the second engaging member spring apart automatically.
  • the snap-fit assembly with spring of the present invention can realize the automatic separation of the first snap-in part and the second snap-in part, which is convenient for the user to operate, and it is provided with a sealing element that fits the sealing connecting element, which is used for the motor Further sealing protection.
  • the filter screen assembly 200 of the present invention includes a bell mouth portion 210, a crushing shell 220, a pressing shell 230, an anti-dropping portion 240 and a connecting portion 250.
  • the diameter of the crushing shell 230 is significantly smaller than that of the crushing shell 220.
  • a step is formed between the crushing shell and the crushing shell to accommodate the crushing part and the crushing part of the twin screw assembly.
  • the pressing shell 230 is respectively provided with a plurality of broken shell filter screens forming an array and a plurality of extruded shell filter screens forming an array.
  • the upper part of the crushing shell 220 is vertically provided with a hollow bell mouth 210 for supplying raw materials to be squeezed to the filter assembly.
  • all parts of the filter assembly are welded and formed, and the overall welded and formed structure reduces manufacturing costs, improves manufacturing efficiency, and facilitates user use and maintenance.
  • the housing of the filter screen assembly is formed by two filter screen cylinders, the side walls of the two filter screen cylinders intersect and communicate with each other, the filter screen cylinder is provided with a screw, and the diameter of the filter screen cylinder is slightly larger than the diameter of the screw.
  • a plurality of filter screens in an array are formed on the crushing shell 220 in front of the bell mouth portion 210, and the filter screens are a plurality of fine through holes.
  • the horn 210 is fed with juice raw materials.
  • the raw juice raw materials are crushed by the twin-screw crushing parts that bite and rotate with each other, and are transferred to the front at the same time. While crushing the raw materials, the raw materials flow out from the raw materials. Part of the juice is discharged through the strainer.
  • a plurality of filter screens are also provided on the squeezing shell 230 to discharge the juice squeezed out by the squeezing part.
  • the front end of the extruded housing 230 is provided with an anti-dropping portion 240, and the rear end of the anti-dropping portion 240 is provided with a filter cover assembly fixing member 270 and a support member 280 for supporting the twin screw.
  • the fixing member 270 is used for positioning the filter cover assembly.
  • the supporting member 280 is provided with two through holes for supporting the twin screw assembly and facilitating the discharge of the filter residue from the filter screen assembly.
  • the front end of the anti-dropping portion 240 is also provided with a receiving portion 241, and two blind holes are formed on the receiving portion 241, so that the blind holes are rotatably inserted and supported to accommodate the front end of the extrusion portion of the twin screw assembly.
  • the lower part of the anti-dropping part is provided with an opening for discharging filter residue.
  • the rear end of the filter assembly is provided with a connecting part 250 connected to the sealing connector 120, and a silicone gasket 260 is provided in the connecting part 250.
  • the present invention provides another use of the filter assembly, the use includes the purpose of squeezing fruit sauce, ice cream and other food materials for the purpose of not squeezing juice, the filter assembly is not provided with a filter in the crushing shell Net, and only one or several squeeze shell notches 232 are provided in the lower part of the squeeze shell for exporting the squeezed jam or ice cream. In this use state, it does not need to be used with the filter cover assembly.
  • the present invention provides a motor start safety structure.
  • the silicone gasket 260 is provided with a protrusion capable of touching the light touch safety switch, and the protrusion can make the After being engaged, the motor is started by touching the safety switch 170, which ensures that the juicer can be safely started after being engaged.
  • the arrangement of the silicone gasket 260 further strengthens the motor sealing.
  • the twin-screw assembly includes: a crushing part 410 and a pressing part 420, the pressing part 420 is connected to the front of the crushing part 410, the diameter is significantly smaller than the crushing part 410, the connection between the crushing part and the pressing part is formed There are steps, and the diameter of the pressing part 420 gradually decreases in the axial forward direction.
  • the twin-screw assembly is arranged in the housing of the filter assembly, and the crushing part is used for crushing the juice raw material while rotating, and the squeezing part continues to pressurize the juice raw material for juice while transferring.
  • the crushing part 410 and the squeezing part 420 of the present invention are formed by spiral protrusions and grooves.
  • the cross-section of the protrusions can be in various shapes for crushing and squeezing the juice material, such as thread shape and rack shape. , Polygonal.
  • the crushing part includes two screw rods respectively connected to the rotating shaft and the transmission shaft, and the two screw rods mesh with each other through the spiral toothed knife on the outer circumference.
  • the squeezing part is arranged at the front end of the crushing part, and the outer peripheral surface of the screw is formed in a threaded shape.
  • the screw is inserted with a rotating shaft.
  • the pressing portion is composed of a first threaded portion 421 and a second threaded portion 422, the two threaded portions are adjacent, the second threaded portion is provided at the front end of the first threaded portion, and the number of threads of the second threaded portion Larger than the first thread portion, the extra threads of the second thread portion 422 form new grooves and protrusions, which increase the strength of extrusion, and the above-mentioned thread portion gap between the two screws is set.
  • the two threaded parts are connected in sequence, reducing the deformation of the strainer assembly, and the forward advancement and the effect of squeezing the raw materials have been unexpectedly improved, and the overall performance of the juicer has been greatly improved .
  • the threaded tooth cutter is arranged obliquely, and its inclination angle is 8-30 degrees, so that it can be quickly moved to the front while crushing.
  • the first threaded portion is formed by two threads, and the second threaded portion is formed by four threads.
  • the inclination angle of the threaded tooth cutter is between 11-13 degrees, thereby obtaining unexpected benefits of crushing and forward advancement.
  • the first threaded part and the second threaded part that strengthen the extrusion are sequentially joined, which can make the juice extraction material advance and squeeze more smoothly in the squeeze part, improve the juice extraction efficiency, and enhance the juice extraction It also reduces the difficulty of cleaning, reduces the pressure on the housing of the filter assembly, prevents the deformation of the filter assembly, and increases its service life.
  • the filter screen assembly is sheathed with a filter cover assembly 500.
  • the filter cover assembly 500 includes a filter cartridge 510 and a filter residue separation plate 520, wherein a filter juice separation groove is provided in the middle of the lower part of the filter cartridge 530.
  • the filter residue separation plate 520 is arranged at the front end of the filter cartridge.
  • the juice extractor further includes a filter juice container 600 and a filter residue container 700, the filter juice container is arranged on the lower side of the juice separation tank of the filter cover assembly, and a handle 610 is provided on the juice container.
  • the filter cover assembly can realize the secondary filtration of the filtered juice, improve the taste of the user, and can prevent the juice discharged through the plurality of filters from splashing, and prevent dust and other substances from entering the juice extractor.
  • a filter cover assembly mounting member 290 is provided on the bell mouth 210, and the filter cover assembly is detachably mounted on the mounting member 290 on the bell mouth by means of screws or bolts.
  • the squeezing raw materials such as vegetables or fruits for producing juice are injected into the bell mouth 210, and the filter assembly and the sealing connector 120 are engaged by the control member 360 to start the motor 150.
  • the motor By lightly touching the contact between the safety switch 170 and the protrusion, the motor is activated and the rotating shaft is driven, and the twin screw assembly 400 is driven by the rotating shaft to rotate. At this time, the crushing knives of the crushing part 410 bite each other, and as the screw driven by the rotating shaft rotates, the screw connected to the transmission shaft also rotates in the opposite direction.
  • the crushed juice is discharged through a plurality of filters on the crushing shell 220, and the discharged juice is filtered through the separating juice tank 530 on the filter cover for a second time and then falls into the juice filter container 600.
  • the juice squeezing material passing through the crushing part is pushed from the crushing housing 220 to the squeezing housing 230.
  • the juice squeezing material passes through the first threaded part 421 and the second threaded part 422 in the squeezing part 420 of the twin-screw assembly.
  • the juice is squeezed out again, so that the juice is more fully squeezed, and filtered through a plurality of filters arranged on the squeezing shell, and finally filtered through the separating juice tank 530 on the filter cover for a second time and then falls into the juice container 600.
  • the juice extractor of the present invention is convenient to disassemble after the juice is extracted.
  • the clamping part of the clamping part can be easily opened by the spring by pulling the control part 360, and the twin screw assembly, filter screen assembly and filter cover assembly are all simply joined , It is easy to separate and take out, which is conducive to cleaning operation.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Food-Manufacturing Devices (AREA)
  • Apparatus For Making Beverages (AREA)
  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
PCT/CN2020/083498 2019-05-16 2020-04-07 一种榨汁机 WO2020228445A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20805601.0A EP3932265A4 (de) 2019-05-16 2020-04-07 Saftpresse
US15/733,651 US20210353089A1 (en) 2019-05-16 2020-04-07 Juice extractor

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201910407676.5A CN110150948B (zh) 2019-05-16 2019-05-16 一种榨汁机的电机保护装置
CN201910407676.5 2019-05-16
CN201910407677.XA CN110141102A (zh) 2019-05-16 2019-05-16 一种榨汁机
CN201910407677.X 2019-05-16

Publications (1)

Publication Number Publication Date
WO2020228445A1 true WO2020228445A1 (zh) 2020-11-19

Family

ID=73290059

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/083498 WO2020228445A1 (zh) 2019-05-16 2020-04-07 一种榨汁机

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